<template>
  <div ref="chart" :style="{ width: '100%', height: '200px' }"></div>
</template>


<script lang="ts" setup>
import * as echarts from 'echarts'
import {  ref,  onMounted, onBeforeUnmount} from "vue";
const chart = ref(null)

const option = ref({
  xAxis: {},
  yAxis: {},
  series: [
    {
      symbolSize: 10,
      data: [
        [10.0, 8.04],
        [8.07, 6.95],
        [13.0, 7.58],
        [9.05, 8.81],
        [11.0, 8.33],
        [14.0, 7.66],
        [13.4, 6.81],
        [10.0, 6.33],
        [14.0, 8.96],
        [12.5, 6.82],
        [9.15, 7.2],
        [11.5, 7.2],
        [3.03, 4.23],
        [12.2, 7.83],
        [2.02, 4.47],
        [1.05, 3.33],
        [4.05, 4.96],
        [6.03, 7.24],
        [12.0, 6.26],
        [12.0, 8.84],
        [7.08, 5.82],
        [5.02, 5.68]
      ],
      type: 'scatter'
    }
  ]
})

let myChart:any 

const initChart = () => {
  myChart.resize()
}

onMounted(() => {
  // mounted中初始化charts
  myChart = echarts.init(chart.value as unknown as HTMLElement)
  myChart.setOption(option.value)
  // resize事件
  window.addEventListener("resize", initChart)
})


onBeforeUnmount(() => {
  // 销毁resize事件
  window.removeEventListener('resize', initChart)
})
</script>